Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. [ 70.702316][ T8488] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.784588][ T8522] ================================================================== [ 70.792860][ T8522] BUG: KASAN: null-ptr-deref in filp_close+0x22/0x170 [ 70.799629][ T8522] Read of size 8 at addr 0000000000000077 by task syz-executor511/8522 [ 70.807863][ T8522] [ 70.810204][ T8522] CPU: 1 PID: 8522 Comm: syz-executor511 Not tainted 5.10.0-syzkaller #0 [ 70.818611][ T8522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.828668][ T8522] Call Trace: [ 70.831980][ T8522] dump_stack+0x107/0x163 [ 70.836329][ T8522] ? filp_close+0x22/0x170 [ 70.840759][ T8522] ? filp_close+0x22/0x170 [ 70.845180][ T8522] kasan_report.cold+0x5/0x37 [ 70.849865][ T8522] ? filp_close+0x22/0x170 [ 70.854290][ T8522] check_memory_region+0x13d/0x180 [ 70.859410][ T8522] filp_close+0x22/0x170 [ 70.863665][ T8522] put_files_struct+0x1cc/0x350 [ 70.868513][ T8522] exit_files+0x12a/0x170 [ 70.872825][ T8522] do_exit+0xb4f/0x2a00 [ 70.876960][ T8522] ? find_held_lock+0x2d/0x110 [ 70.881704][ T8522] ? mm_update_next_owner+0x7a0/0x7a0 [ 70.887057][ T8522] ? get_signal+0x34e/0x2100 [ 70.891646][ T8522] ? lock_downgrade+0x6d0/0x6d0 [ 70.896479][ T8522] do_group_exit+0x125/0x310 [ 70.901050][ T8522] get_signal+0x428/0x2100 [ 70.905456][ T8522] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 70.911152][ T8522] ? lock_downgrade+0x6d0/0x6d0 [ 70.915995][ T8522] ? do_raw_spin_lock+0x120/0x2b0 [ 70.920999][ T8522] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.927217][ T8522] ? put_files_struct+0x33/0x350 [ 70.932133][ T8522] ? copy_siginfo_to_user32+0xa0/0xa0 [ 70.937485][ T8522] ? __x64_sys_futex+0x3be/0x5e0 [ 70.942402][ T8522] ? __x64_sys_futex+0x3c8/0x5e0 [ 70.947324][ T8522] ? do_futex+0x1980/0x1980 [ 70.951812][ T8522] exit_to_user_mode_prepare+0x124/0x200 [ 70.957424][ T8522] syscall_exit_to_user_mode+0x19/0x50 [ 70.962876][ T8522] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.968748][ T8522] RIP: 0033:0x447039 [ 70.972620][ T8522] Code: Unable to access opcode bytes at RIP 0x44700f. [ 70.979453][ T8522] RSP: 002b:00007f1b1225cdb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 70.987845][ T8522] RAX: 0000000000000001 RBX: 00000000006dbc28 RCX: 0000000000447039 [ 70.995795][ T8522] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00000000006dbc2c [ 71.003746][ T8522] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 71.011698][ T8522] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 71.019650][ T8522] R13: 00007fff223b6bef R14: 00007f1b1225d9c0 R15: 00000000006dbc2c [ 71.027634][ T8522] ================================================================== [ 71.035681][ T8522] Disabling lock debugging due to kernel taint [ 71.042776][ T8522] Kernel panic - not syncing: panic_on_warn set ... [ 71.049377][ T8522] CPU: 1 PID: 8522 Comm: syz-executor511 Tainted: G B 5.10.0-syzkaller #0 [ 71.059162][ T8522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.069201][ T8522] Call Trace: [ 71.072485][ T8522] dump_stack+0x107/0x163 [ 71.076806][ T8522] panic+0x343/0x77f [ 71.080710][ T8522] ? __warn_printk+0xf3/0xf3 [ 71.085281][ T8522] ? preempt_schedule_common+0x59/0xc0 [ 71.090720][ T8522] ? filp_close+0x22/0x170 [ 71.095112][ T8522] ? preempt_schedule_thunk+0x16/0x18 [ 71.100461][ T8522] ? trace_hardirqs_on+0x38/0x1c0 [ 71.105457][ T8522] ? trace_hardirqs_on+0x51/0x1c0 [ 71.110464][ T8522] ? filp_close+0x22/0x170 [ 71.114862][ T8522] ? filp_close+0x22/0x170 [ 71.119267][ T8522] end_report+0x58/0x5e [ 71.123404][ T8522] kasan_report.cold+0xd/0x37 [ 71.128058][ T8522] ? filp_close+0x22/0x170 [ 71.132449][ T8522] check_memory_region+0x13d/0x180 [ 71.137535][ T8522] filp_close+0x22/0x170 [ 71.141755][ T8522] put_files_struct+0x1cc/0x350 [ 71.146582][ T8522] exit_files+0x12a/0x170 [ 71.150903][ T8522] do_exit+0xb4f/0x2a00 [ 71.155076][ T8522] ? find_held_lock+0x2d/0x110 [ 71.159826][ T8522] ? mm_update_next_owner+0x7a0/0x7a0 [ 71.165174][ T8522] ? get_signal+0x34e/0x2100 [ 71.169740][ T8522] ? lock_downgrade+0x6d0/0x6d0 [ 71.174579][ T8522] do_group_exit+0x125/0x310 [ 71.179144][ T8522] get_signal+0x428/0x2100 [ 71.183537][ T8522] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 71.189230][ T8522] ? lock_downgrade+0x6d0/0x6d0 [ 71.194058][ T8522] ? do_raw_spin_lock+0x120/0x2b0 [ 71.199059][ T8522] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.205286][ T8522] ? put_files_struct+0x33/0x350 [ 71.210210][ T8522] ? copy_siginfo_to_user32+0xa0/0xa0 [ 71.215558][ T8522] ? __x64_sys_futex+0x3be/0x5e0 [ 71.220471][ T8522] ? __x64_sys_futex+0x3c8/0x5e0 [ 71.225392][ T8522] ? do_futex+0x1980/0x1980 [ 71.229879][ T8522] exit_to_user_mode_prepare+0x124/0x200 [ 71.235490][ T8522] syscall_exit_to_user_mode+0x19/0x50 [ 71.240927][ T8522] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.246791][ T8522] RIP: 0033:0x447039 [ 71.250658][ T8522] Code: Unable to access opcode bytes at RIP 0x44700f. [ 71.257475][ T8522] RSP: 002b:00007f1b1225cdb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 71.265861][ T8522] RAX: 0000000000000001 RBX: 00000000006dbc28 RCX: 0000000000447039 [ 71.273807][ T8522] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00000000006dbc2c [ 71.281756][ T8522] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 71.289703][ T8522] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 71.297652][ T8522] R13: 00007fff223b6bef R14: 00007f1b1225d9c0 R15: 00000000006dbc2c [ 71.306133][ T8522] Kernel Offset: disabled [ 71.310459][ T8522] Rebooting in 86400 seconds..